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Amazon Basics 4-Pack C Cell Rechargeable Batteries, 1.2V (5000mAh Ni-MH), Pre-charged

  • Based on 13,662 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Dec 30
Order within 6 hours and 10 minutes
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Style: C Cell


Features

  • One 4-pack of pre-charged C-cell rechargeable batteries (5000mAh/Ni-MH)
  • Long battery life; extremely gradual self-discharge; maintains 80% capacity for 24 months
  • Comes pre-charged and ready to use; can be recharged 1000 times with minimal power loss
  • Same product, new look! Appearance of batteries you receive may vary

Description

Amazon Basics 4-Pack C Cell Rechargeable Batteries, 1.2V (5000mAh Ni-MH), Pre-charged From the Manufacturer Amazon Basics


Product Dimensions: 9 x 6 x 1.8 inches


Item Weight: 11.2 ounces


Item model number: NM-C4


Date First Available: September 25, 2019


Country of Origin: China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Dec 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Review of Amazon Basics Size C NiMH rechargeable batteries
Style: D Cell
Update on 8-9-22. Amazon won't let me relay anything about my size C Amazon Basics NiMH rechargeable batteries that were purchased on 6-19-20 for $12.49 for a 4 pack. Today Amazon finally has some of them in stock....for $20.99 for a 4 pack. All I can say is WOW. That is quit a price increase in little more than 2 years.....I can hardly wait to see the size D prices, if and when they get stock on them. BTW, this is the worse inflationary story of our time....this comes to 68% increase in 2 years....OUTRAGEOUS price increase. Amazon will only let me review my size D purchase on the same date, which I can not understand. Update on 7/27/21 for tests on 6/11/21 (Or about 1 year after original review) Batteries 1-3 have been insalled in a 3 cell Maglite for the year. This flashlight has a cheapie LED lamp. It is of the original Mag light design, not the newer ones with LED lamps. There was little use on these batteries. The light was tested for 5-10 seconds each month just as a battery check. These were discharged to check remaining charge. The discharge ranged from 9052mAh to 9724mAh. Which comes out to 90.54% to 92.74% remaining charge from their rated 10,000mAh. Once again, these batteries are testing out very nicely. They charged up to between 10830mAh to 11660mAh. The internal resistance measured out between 15-19 milli ohms. These 3 batteries also show low self discharge characteristics. Update on 7/27/21 for test on 3/21/21. I took Battery #4, which has been sitting in a drawer for 9 months. So this is a 9 month shelf life check. I discharged & charged the battery. The discharge after 9 months was 9230mAh. That is down ~7.9% from the rated 10,000mAh. So far this is fantastic and does show that at least 1 of the 4 batteries has low self discharge characteristics. (This battery measured 15 milli ohm of internal resistance) This review mirrors my review of Amazon Basics Size C NiMH batteries. I received these on June 21, 2020. I let them sit for an hour to acclimate them to my environment. Reading the instructions/paper work that came with these, you are to charge the batteries at least once every 3-6 months. (This does not give me any warm fuzzies about Low Self-Discharge characteristics of the batteries) Now this seems to be in opposition to the web page which states: Long battery life, extremely gradual self-discharge; maintains 80% capacity for 24 months. (This does give me warm fuzzies about Low Self-Discharge characteristics of the batteries) But what is it….6 months or 2 years. Time will tell. Hopefully I will be alive to report on this and Amazon accepts my added review, which they do not accept very many of my reviews for some reason. Now for early testing: I used my IQ338XL charger for the tests. Set it to charge test, which first discharges the batteries, stores the discharge current/time/internal resistance, then it charges the batteries, stores the charge current/voltage/time/internal resistance…..and when all batteries are finished, the charger flashes the display. This charger is preset at 500 ma discharge and can not be changed. So it will take a very long time to completely discharge these size D 10000mAhr batteries, especially with a full charge. On charge, this charger current is selectable…500, 750, 1000, and one level higher, which I can not recall. I set the charge current to 1000mA. Upon completion of the testing all of the batteries were between 1.45 and 1.46 volts, 10830mAhr to 11660mA and 15-22 mOhms internal resistance. These batteries came with a charge of 9052mAhr to 9724mAhr, which is 90.52% to 97.24% of the rated capacity. This is fantastic. To completely discharge the battery with 11660mAhr charge capacity at 500mA load current would take around 23 hours…..So, be prepared for the time it takes. And then it has to charge them…and at 1000mA of charge current it will take almost 12-13 hours. So basically a day and a half to do 1 cycle of discharge/charge. These batteries were dated December 2019. Now for the warm fuzzies of Low Self-Discharge…..It is now the 3nd week of June 2020….so lets just call it 6 month shelf life and they came with 90 to 97% charge…WOW...how can this be true??? I have never had this much charge left in any battery after 6 months…but the again….how often does Amazon charge them while on the shelf…no one really knows. Well, time will tell. ... show more
Reviewed in the United States on June 25, 2020 by Macgravy

  • UPDATE: Batteries work great!
Style: C Cell
UPDATE: I bought another (generic) battery charger and these batteries charged and work just fine. I guess Energizer battery charger only works with their own branded batteries… I’m not sure what’s going on. But I bought an Energizer brand charger (I couldn’t find Energizer brand rechargeable batteries for sale on Amazon) and these batteries die after like a few minutes. Not sure if it’s the battery itself or the charger. But I think it’s the charger. I even unplugged and plugged back in the electrical cord and waited almost 2 days before using the batteries and they still die. I already threw away the packaging for everything so not even sure they will accept my refund. So irritating. ... show more
Reviewed in the United States on August 13, 2022 by jean zheng

  • C Cells test OK on OPUS BT-C2000 Smart Charger
Style: C Cell
I purchased eight Amazon Basics rechargeable C cells. They arrived undamaged. I used an OPUS BT-C2000 charger to test them. These cells are advertised as “pre-charged” and the OPUS showed an average of 3693 ma-hours of charge after discharging at 100 ma until 0.9 volts with a high of 3761 ma-hr and a low of 3609. This low of 3609 is 72% of the nameplate capacity rating so do not expect them to last as long directly from the shipping box. I then charged them up at 400 milliamps to full, and discharged again at 100 ma. This “first charge” capacity averaged 4983 ma-hour with a high of 5092 and a low of 4877. Not bad. Conventional wisdom is that Ni-MH cells improve over the first 20 charges, although I do not always observe that, except with Japanese factory made Eneloops or Fujitsus. The official Battery Manufacturers Association capacity test is not a simple 100 ma discharge but involves many “rest stops” for the battery to “recover” and usually results in higher capacity results. I intend to use these batteries in Sangean PR-D5 and PR-D15 radios. Instead of using only these new batteries I will try to protect them from being discharged below 0.6 volts by putting at least one older EBL or Radio Shack rechargeable of less than 5000 ma-hr capacity. My experience is that Ni-MH batteries get permanent damage to capacity if somehow they discharge to below 0 volts. These Amazon Basics C cells have an indentation in their cases at the positive end like EBL C cells have, so I suspect they might be EBL made in China. I previously bought 8 EBL C cells. None tested new above 4100 ma-hr. The EBL’s bought 01-27-2014 have declined in capacity to around 3450 ma-hr with the worst one 3160 ma-hr. I also have six C cell Radio Shack HR14 rechargeable Enercell “made in China” originally rated 3500 ma-hr that were bought in year 2011. These have stayed at 3400 ma-hr capacity through many reharges. Edit on 3-14-21 I decided to take the lowest capacity cell which tested 4877 milliamp-hours and charge/discharge it four more times to see if its capacity improved. The capacity did increase to 4926 ma-hrs. Edit on May 10, 2021: I bought four more Amazon Basics rechargeable C cells. This time I decided to complete ten cycles of 1250 ma charge/500 ma discharge on these new 4 C batteries before testing them. After these ten cycles I charged them at 400 ma and then discharged them at 100 ma down to 0.9 volts. The results were 4972/4934/4987/4926 for an average of 4955 ma-hrs which was not a significant improvement. I also bought four Amazon Basics D rechargeable batteries which tested well. These D cells tested 10,030/10,010/10,000/9,850 for an average of 9,973 ma-hrs. For comparison to non-rechargeable alkaline D cells I discharged an unused Duracell at 100 ma down to 0.9 volts and got a capacity of 13,620 ma-hrs on my Opus BT-C2000 smart charger. The official Duracell “MN1300” Technical Information webpage has graphs showing capacities down to 0.9 volts of 12,000 ma-hrs at a constant 250 ma discharge and 8750 ma-hrs at 500 ma constant discharge. These 250 ma and 500 ma discharge capacities got me curious so I re-tested the first Amazon Basics Rechargeable D cell that was 10,030 at 100 ma discharge again but at a 500 ma discharge rate, and the result was an interesting 10,020 ma. These Ni-MH batteries do comparatively better at higher discharge rates than Alkalines. ... show more
Reviewed in the United States on March 7, 2021 by Amazon Customer

  • Ok.
Style: 9 Volt
Will do business with you again. it was a fair value for the money.
Reviewed in the United States on August 11, 2022 by Kenneth

  • Great batteries
Style: C Cell
We use items that need batteries so using rechargeable batteries was the best for us. And our flashlights they work quite a long time, Even using them nightly
Reviewed in the United States on August 19, 2022 by Dana

  • Even "hotter" than Alkaline Batteries
Style: 9 Volt
To my surprise, these rechargeable 9V batteries read a higher output on my battery tester compared to Alkaline Batteries. And they last about 80% as long as the Alkaline Batteries. Then you recharge, instead of buying more.
Reviewed in the United States on August 7, 2022 by mark p.

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